Photographs of small experimental oil spills sites around Tuktoyaktuk, Northwest Territories
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Photographs of small experimental oil spills sites around Tuktoyaktuk, Northwest Territories
Photographs of snakes at Amherstburg, Ontario, and the Allegheny Plateau, New York
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Photographs of snakes at Amherstburg, Ontario, and the Allegheny Plateau, New York
Photographs of Snow bunting at Cape Bathurst and Alexandra Fiord
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Photographs of Snow bunting at Cape Bathurst and Alexandra Fiord
Photographs of Snow goose at Alexandra Fiord, Ellesmere Island
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Photographs of Snow goose at Alexandra Fiord, Ellesmere Island
Photographs of spill clean-up sites around Tuktoyaktuk
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Photographs of spill clean-up sites around Tuktoyaktuk
Photographs of Sudbury scenes
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Photographs of Sudbury scenes
Photographs of surveys at Gros Morne National Park and the Churchill River, Labrador
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Photographs of surveys at Gros Morne National Park and the Churchill River, Labrador
Photographs of tailings sites around Sudbury
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Photographs of tailings sites around Sudbury
Photographs of the area around Smoking Hills, Northwest Territories
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Photographs of the area around Smoking Hills, Northwest Territories
Photographs of the Arrow oil spill, Chedabucto Bay, Nova Scotia
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Photographs of the Arrow oil spill, Chedabucto Bay, Nova Scotia
Photographs of the destruction caused at Point Pleasant Park, Halifax, Nova Scotia, by the Brown Spruce longhorn beetle
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Photographs of the destruction caused at Point Pleasant Park, Halifax, Nova Scotia, by the Brown Spruce longhorn beetle
Photographs of the effects of pollution of Double-crested cormorant in the Great Lakes and Lake Winnipegosis
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Photographs of the effects of pollution of Double-crested cormorant in the Great Lakes and Lake Winnipegosis
Photographs of the flora and fauna of Gros Morne National Park and Cape St. Mary's Park Reserve, Newfoundland
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Photographs of the flora and fauna of Gros Morne National Park and Cape St. Mary's Park Reserve, Newfoundland
Photographs of the flora and scenery around Norman Wells and Jackfish Lake, Northwest Territories
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Photographs of the flora and scenery around Norman Wells and Jackfish Lake, Northwest Territories
Photographs of the flora of Fundy National Park
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Photographs of the flora of Fundy National Park
Photographs of the flora of southern Ontario
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Photographs of the flora of southern Ontario
Photographs of the flora, fauna, and buildings on Sable Island, Nova Scotia
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Photographs of the flora, fauna, and buildings on Sable Island, Nova Scotia
Photographs of the geology and flora of Sverdrup Pass, Ellesmere Island
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Photographs of the geology and flora of Sverdrup Pass, Ellesmere Island
Photographs of the Harrowby Bay spill site
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Photographs of the Harrowby Bay spill site
Photographs of the Postville and Michelin Lake areas of Labrador
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Photographs of the Postville and Michelin Lake areas of Labrador
Photographs of the scenery and flora at Fiona Lake, Somerset Island
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Photographs of the scenery and flora at Fiona Lake, Somerset Island
Photographs of travels on Vancouver Island, Vancouver, and Manning Park, British Columbia
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Photographs of travels on Vancouver Island, Vancouver, and Manning Park, British Columbia
Photographs of trees at Minesing Swamp, near Barrie, Ontario
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Photographs of trees at Minesing Swamp, near Barrie, Ontario
Photographs of tundra scenes, Northwest Territories
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Photographs of tundra scenes, Northwest Territories
Photographs of vascular plant communities at Alexandra Fiord, Ellesmere Island
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Photographs of vascular plant communities at Alexandra Fiord, Ellesmere Island
Photographs of vegetation and scenery at Smoking Hills and Horton River, Northwest Territories
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Photographs of vegetation and scenery at Smoking Hills and Horton River, Northwest Territories
Photographs of vegetation in barrens and bogs of Nova Scotia
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Photographs of vegetation in barrens and bogs of Nova Scotia
Photographs of Voisey's Bay, Newfoundland and Labrador
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Photographs of Voisey's Bay, Newfoundland and Labrador
Physical and biological effects of experimental crude oil spills on Low Arctic tundra in the vicinity of Tuktoyaktuk, N.W.T., Canada : [manuscript]
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Physical and biological effects of experimental crude oil spills on Low Arctic tundra in the vicinity of Tuktoyaktuk, N.W.T., Canada : [manuscript]
Physical and ecological characteristics of Alexandra Fiord, a high arctic oasis on Ellesmere Island, Canada : [manuscript and correspondence]
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Physical and ecological characteristics of Alexandra Fiord, a high arctic oasis on Ellesmere Island, Canada : [manuscript and correspondence]
Pollutant inputs from the atmosphere and accumulations in soils and vegetation near a nickel-copper smelter at Sudbury, Ontario, Canada : [manuscript and correspondence]
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Pollutant inputs from the atmosphere and accumulations in soils and vegetation near a nickel-copper smelter at Sudbury, Ontario, Canada : [manuscript and correspondence]
Pollution by arsenic in a gold-mining district in Nova Scotia : [manuscript]
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Pollution by arsenic in a gold-mining district in Nova Scotia : [manuscript]
Population size and structure of four sympatric species of snakes at Amherstburg, Ontario : [manuscript]
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Population size and structure of four sympatric species of snakes at Amherstburg, Ontario : [manuscript]
Population trends in water fowl wintering in the Toronto region, 1929-1976 : [manuscript]
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Population trends in water fowl wintering in the Toronto region, 1929-1976 : [manuscript]
Population trends of various species of birds wintering in southern Ontario : [manuscript]
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Population trends of various species of birds wintering in southern Ontario : [manuscript]
Populations of breeding birds at Alexandra Fjord, Ellesmere Island, Northwest Territories, compared with other Arctic localities : [manuscript and correspondence]
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Populations of breeding birds at Alexandra Fjord, Ellesmere Island, Northwest Territories, compared with other Arctic localities : [manuscript and correspondence]
Post-clearcutting secondary succession in a hardwood forest in central Nova Scotia : [draft manuscript and correspondence]
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Post-clearcutting secondary succession in a hardwood forest in central Nova Scotia : [draft manuscript and correspondence]
Preliminary observations of breeding birds and vegetation in a post-clearcutting secondary succession in a hardwood forest in Nova Scotia : [draft manuscript and other materials]
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Preliminary observations of breeding birds and vegetation in a post-clearcutting secondary succession in a hardwood forest in Nova Scotia : [draft manuscript and other materials]
Preliminary survey of the natural history of McNab's Island, Halifax Harbour, Nova Scotia : [draft manuscript]
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Preliminary survey of the natural history of McNab's Island, Halifax Harbour, Nova Scotia : [draft manuscript]
Proposal for a study on the increased use of wood as an energy source in Nova Scotia : [manuscript and other materials]
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Proposal for a study on the increased use of wood as an energy source in Nova Scotia : [manuscript and other materials]
Renewable energy potential of Nova Scotia's hardwoods : [manuscript]
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Renewable energy potential of Nova Scotia's hardwoods : [manuscript]
Research notes related to tree counts at locations in Fairview and South End Halifax
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Research notes related to tree counts at locations in Fairview and South End Halifax
Resource allocation in high-arctic vascular plants of differing growth form : [manuscript and correspondence]
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Resource allocation in high-arctic vascular plants of differing growth form : [manuscript and correspondence]
Sable Island groundwater analysis : [draft manuscript and data sets]
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Sable Island groundwater analysis : [draft manuscript and data sets]
Seed banks and seedling occurrence in a high Arctic oasis at Alexandra Fjord, Ellesmere Island, Canada : [manuscript and correspondence]
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Seed banks and seedling occurrence in a high Arctic oasis at Alexandra Fjord, Ellesmere Island, Canada : [manuscript and correspondence]
Seedbanks in several recently clear-cut and mature hardwood forests in Nova Scotia : [manuscript and correspondence]
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Seedbanks in several recently clear-cut and mature hardwood forests in Nova Scotia : [manuscript and correspondence]
Selected studies of forestry and bird communities in Nova Scotia and New Brunswick : [manuscript and correspondence]
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Selected studies of forestry and bird communities in Nova Scotia and New Brunswick : [manuscript and correspondence]
Short-term changes in vegetation after the silvicultural spraying of glyphosate herbicide onto regenerating clearcuts in Nova Scotia, Canada : [draft manuscript and other materials]
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Short-term changes in vegetation after the silvicultural spraying of glyphosate herbicide onto regenerating clearcuts in Nova Scotia, Canada : [draft manuscript and other materials]
Silver hairgrass, Aira caryophyllea, new to eastern Canada, and other notable records from Seal Island, Nova Scotia : [manuscript and other materials]
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Silver hairgrass, Aira caryophyllea, new to eastern Canada, and other notable records from Seal Island, Nova Scotia : [manuscript and other materials]
Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
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Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :